发布时间:2025-01-20 18:38:05
大致的参考数据:
钨钴类硬质合金:14.4-15.8;
钨钴钛类硬质合金:11.-13.2。
我家入户门口正对着阳台进门口一条小小廊右边放鞋架再走几步右边是食饭桌再前面是客厅再前是阳台
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